Key Factors to Improve the Outcome of Retinal Reattachment Surgery in Proliferative Vitreoretinopathy and Proliferative Diabetic Retinopathy

Table 7

Multiple regression to analyse essential factors for good postoperative vision in the prospective group.

Model		Coefficients^a			t	Sig.
		Not standardized coefficients		Standardized coefficients
		B	Standard deviation	Beta
1	(Constant)	.038	1.180		.032	.975
	Emulsification	.080	.057	.139	1.402	.165
	Surgical experience	–.050	.114	–.050	–.442	.660
	Preop. surgery	.051	.071	.076	.719	.474
	Med. history in general	–.155	.109	–.135	−1.420	.159
	Med. eye history	.044	.063	.072	.698	.487
	Documentation	.023	.098	.024	.235	.814
	Quality of laser coagulation	.091	.105	.089	.869	.387
	Amount of membrane peeling	.058	.054	.106	1.068	.288
	Consistency of surgeon	.088	.060	.167	1.452	.150
	Timing of cataract surgery	.164	.103	.177	1.598	.114
	P(D)VR stage	.228	.081	.328	2.812	.006
	Preop. fovea situation	.134	.059	.237	2.293	.024
	Amount of retino/retinectomies	.030	.069	.048	.437	.663
	Number and size of retinal hole area	–.094	.073	–.131	–1.287	.202
	Redetachment rate	.207	.150	.142	1.384	.170
	Axial length	.020	.068	.031	.300	.765
13	(Constant)	.952	.768	—	1.240	.218
	Consistency of surgeon	.081	.047	.155	1.717	.089
	P(D)VR stage	.218	.067	.313	3.270	.001
	Preop. fovea situation	.095	.052	.167	1.805	.074
	Redetachment rate	.277	.134	.190	2.071	.041

^aDependent variable: postoperative vision.